The blog

Guides for people who build with Claude

Long-form, practical, and specific: Claude Code workflows, agent architecture, and prompting technique — the write-ups we wished existed while building AgentsKit.

🔌MCP

The 12 Best MCP Servers for Claude Code in 2026 (Ranked)

Not a directory dump — a ranked shortlist of the MCP servers worth connecting, why Context7 is the first one to install, which ones duplicate what Claude Code already does, and why four to six beats forty.

9 min read · Read →
🧰Plugins

The Best Claude Code Plugins in 2026 (and How to Install Them in One Command)

Plugins bundle skills, agents, commands, hooks, and MCP servers into one versioned install. Which ones are worth it, the sixty-second test for judging any plugin, and the three kinds you should never install.

9 min read · Read →
⚖️Tools

The Best AI Coding Assistants in 2026, Ranked by What They Actually Ship

Claude Code, Cursor, Codex, Copilot, Cline, Aider and more — ranked on completed work rather than demos, with a pick-by-job table and the configuration variable that decides most of the difference.

10 min read · Read →
🪝Hooks

The 9 Best Claude Code Hooks to Set Up First

Hooks are the only layer of your setup that can't be ignored. The nine worth having — auto-format, dangerous-command blocking, secret guards, test runs, notifications — plus which event to use for what.

9 min read · Read →
🧲Marketing

The Best AI Tools for Marketers in 2026 (Ranked by Output, Not Hype)

Seven tools that cover the whole job instead of fifty that overlap: production, keyword data, research, design, video, lifecycle, and automation — with a clear #1 and the rule that keeps AI content from becoming slop.

9 min read · Read →
🧪Skills

Claude Skills Examples: 6 Real SKILL.md Files and What Makes Each One Work

Worked examples of Claude skills — commit messages, tests, PDFs, brand voice, debugging, and project conventions — with the anatomy of a SKILL.md and the two rules that decide whether a skill ever fires.

8 min read · Read →
💻Coding

Claude Skills for Coding: The 8 That Actually Improve Your Code

Code review, tests, debugging, refactoring, security, migrations, git hygiene, and your own conventions — what goes inside each coding skill, and when to use a skill instead of CLAUDE.md or a subagent.

9 min read · Read →
🏪Ecosystem

Claude Skills Marketplace: Where to Find, Vet, and Install Skills

There is no single app store for Claude skills — there are many marketplaces, GitHub repos, and curated kits. How plugin marketplaces work, how to vet a skill in thirty seconds, and what is actually worth paying for.

8 min read · Read →
📄Documents

Claude Skills for PDF: Extract, Fill, Merge, OCR, and Generate Real Files

Reading a PDF is not the same as working with one. How a PDF skill bundles scripts to extract tables, fill forms, merge, split, OCR scans, and generate documents — and the pattern worth stealing for every other skill.

8 min read · Read →
🐙Skills

Claude Skills on GitHub: Where to Find Them and How to Install Them Safely

Almost every Claude skill lives on GitHub — unreviewed and sorted by nothing useful. Where the good ones are, how to copy a skill folder into place, how to judge a repo in a minute, and the safety rules people skip.

8 min read · Read →
🔬Research

Claude Skills for Research: Method Instead of Confident Guessing

Fluency is not rigor. How a research skill encodes a search protocol, a sourcing rule with teeth, and permission to find nothing — plus the five research skills worth having, for academics and analysts alike.

8 min read · Read →
🛠️Skills

Claude Skills for Developers: The Complete Guide

How skills work (progressive disclosure), how they differ from CLAUDE.md, subagents, and MCP, the let-the-model-decide-let-the-code-execute pattern, and how to roll skills out across a team via git.

9 min read · Read →
📚Learning

Claude Skills for Studying: Turn Claude Into a Tutor, Not an Answer Machine

Reading a fluent explanation feels like learning and mostly isn't. Six study skills — Socratic tutoring, active recall, the Feynman technique, spaced repetition, worked examples, and exam simulation — plus how to write one in five minutes.

8 min read · Read →
👽Marketing

How to Mention Your Product on Reddit Without Getting Banned (with a Claude Prompt That Writes the Post for You)

Why most product posts get removed or shadow-banned on Reddit — and a copy-paste Claude prompt that interviews you about your product, karma, and goal, then writes a post that reads like a real person, not an ad.

8 min read · Read →
🧩Claude Code

Claude Code Skills vs Subagents vs Slash Commands vs MCP: What Each Does and When to Use Each

The four ways to extend Claude Code, explained side by side: what skills, subagents, slash commands, and MCP servers each do, how they differ, and a decision table for picking the right one.

9 min read · Read →
🤖Subagents

The 12 Claude Code Subagents Worth Setting Up First (and What Each One Does)

A curated starter set of Claude Code subagents — code reviewer, debugger, security auditor, orchestrator, and more — with the reasoning behind each pick and what makes a subagent actually good.

9 min read · Read →
Skills

How to Write a Claude Code Skill (SKILL.md) That Actually Triggers

Why most Claude Code skills never fire — and how to fix it. How skill triggering works, the description formula, the five most common failure causes, and how to test a skill like code.

9 min read · Read →
📋Claude Code

CLAUDE.md Best Practices: The Exact Template to Give Every New Project

What to put in CLAUDE.md (and what to leave out): a copy-paste template, the under-200-lines rule, what earns a line, and the habits that keep the file working as your project grows.

9 min read · Read →
⌨️Slash commands

Claude Code Custom Slash Commands: 15 Copy-Paste Examples for Real Work

Fifteen ready-to-use custom slash commands for Claude Code — review, commit, debug, changelog, dependency audits, and more — plus the 60-second syntax primer and the patterns behind good commands.

10 min read · Read →
🔧Troubleshooting

Why Your Claude Code Subagents Aren't Working — Fixing Context Bleed and Bad Delegation

A troubleshooting guide for subagents that never get used or return garbage: delegation-tuned descriptions, context bleed in both directions, tool scoping, and a 5-minute diagnostic.

9 min read · Read →
🕸️Orchestration

How to Run a Team of Claude Code Agents in Parallel Without Burning Through Tokens

Sequential, parallel, and fan-out orchestration for Claude Code agents — when each pattern earns its cost, seven rules for keeping token spend sane, and a worked three-agent example.

10 min read · Read →
📣Marketing

Claude Code for Marketers: Ship SEO Content and Campaigns Without Writing Code

Claude Code isn't just for developers. How marketers use it for SEO content pipelines, campaign assets, and reporting — working on real files, no code required, with concrete prompts.

9 min read · Read →
🚢Shipping

Boilerplates Are Dead: How to Ship a SaaS Faster with Claude Code Agents Instead of Templates

Why $300 SaaS boilerplates stopped making sense: locked stacks, dead code, and rot — and the agent-first build sequence that replaces them with code generated for your stack.

9 min read · Read →
🎯Skills

The Best Claude Code Skills to Install in 2026 (and How to Add Them in One Command)

An opinionated shortlist of Claude Code skills worth installing in 2026 — code review, security, documents, SEO, and more — plus how to judge any skill in thirty seconds and install safely.

9 min read · Read →
🚀Claude Code

Getting Started with Claude Code: From Install to First Shipped Feature

A practical, no-fluff guide to Claude Code: installation, your first session, CLAUDE.md, permissions, skills and slash commands — and the workflow habits that separate power users from tourists.

9 min read · Read →
🤖Agents

How to Build AI Agents with Claude: A Practical Guide

What an AI agent actually is, when you need one (and when you don't), the agent loop, tool use, MCP, and how to build your first working agent with the Claude API and Agent SDK.

12 min read · Read →
🧠Prompting

10 Prompting Techniques for Claude (From Anthropic's Own Playbook)

The ten techniques that consistently improve Claude's output: context front-loading, examples over adjectives, XML structure, chain-of-thought, role prompting, output prefills, and more — each with a before/after.

10 min read · Read →
📈Finance

7 Claude Prompts for Smarter Investing Research

Seven copy-paste Claude prompts for investing research: reading annual reports, stress-testing a thesis, decoding earnings calls, and building a decision journal. Educational, not financial advice.

8 min read · Read →
Skip ahead

Prefer copy-paste over theory?

The prompt library has 50 field-tested Claude prompts across coding, writing, data, business, and marketing — each with the reasoning behind it.

Browse the prompt library